Sperry Top-Sider: Gold Cup Ava (Fur) Duck Boot(Women)The Gold Cup Ava (Fur) Duck Boot, by Sperry, is the perfect blend of style and comfort. It has a non-marking rubber outsole with razor cut Wave-Siping that delivers excellent traction on wet as well as dry surfaces and provides cushioning with shock absorption. The EVA footbed with Memory Foam offers ultimate comfort, and the full grain leather welt ensures durability. This lace-up boot features a genuine shearling lining with Thinsulate for superior warmth in cold weather.